| Primary City | Frederick | |
| Population | 65,239 | |
| State | Maryland | |
| County | Frederick County | |
| Current Time | ||
| Zip Codes | 21701-21705, 21709 | |
| Area Codes | 301 |
Neighbouring Zip Codes
ZIP Code: 21810
Allen, Maryland
ZIP Code: 21758
Knoxville, Maryland
ZIP Code: 21716
Brunswick, Maryland
ZIP Code: 20871
Clarksburg, Maryland
ZIP Code: 20872
Damascus, Maryland
ZIP Code: 20876
Germantown, Maryland
ZIP Code: 20875
Germantown, Maryland
ZIP Code: 21781
Saint James, Maryland
ZIP Code: 21749
Hagerstown, Maryland
ZIP Code: 21747
Hagerstown, Maryland
ZIP Code: 21771
Mount Airy, Maryland
ZIP Code: 21787
Taneytown, Maryland
ZIP Code: 21788
Thurmont, Maryland
ZIP Code: 21704
Frederick, Maryland
ZIP Code: 21793
Walkersville, Maryland
Neighbouring Cities
Spring Ridge, Ballenger Creek, Linganore, Urbana, Thurmont, Green Valley, Mount Airy, Damascus, Brunswick, Clarksburg, Taneytown, Robinwood, Hagerstown, Germantown, Halfway